A non-vanishing theorem for Q-divisors on surfaces

Department of Mathematics, National Taiwan UniversityChen, Jungkai-AlfredJungkai-AlfredChenChen, MengMengChenZhang, De-QiDe-QiZhang2006-11-152018-06-282006-11-152018-06-282005-06-08http://ntur.lib.ntu.edu.tw//handle/246246/2006111501275302We prove a non-vanishing theorem of the cohomology H0 of the adjoint divisor KX + L where L is the round up of a nef and big Q-divisor L.application/pdf207634 bytesapplication/pdfzh-TWA non-vanishing theorem for Q-divisors on surfacesjournal articlehttp://ntur.lib.ntu.edu.tw/bitstream/246246/2006111501275302/1/2365.pdf